From b4ea0b56577c3ffa721b180f70c4c708a6560071 Mon Sep 17 00:00:00 2001
From: Robert Alessi <alessi@robertalessi.net>
Date: Thu, 22 Dec 2016 18:13:48 +0100
Subject: arbnulls inserted in trans table

---
 arabluatex.lua | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'arabluatex.lua')

diff --git a/arabluatex.lua b/arabluatex.lua
index 527be3b..294e75f 100644
--- a/arabluatex.lua
+++ b/arabluatex.lua
@@ -128,6 +128,11 @@ local function indnum(str)
    return str
 end
 
+local function processdiscretionary(str)
+   str = string.gsub(str, "\\%-", "\\-{}")
+   return str
+end
+
 local function processarbnull(str, scheme)
    if scheme == "buckwalter" then
       str = string.gsub(str, "(\\arbnull.?)(%b{})", function(tag, body)
@@ -558,6 +563,7 @@ end
 
 function processtrans(str, mode, rules, scheme)
    str = "\\arb{".. str.."}"
+   str = processdiscretionary(str)
    str = processarbnull(str, scheme)
    str = takeoutabjad(str)
    str = protectarb(str)
-- 
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